You will remove the battery when it needs to be charged. You should also remove the battery and SD card before opening the camera to access the screen, motherboard, flash, lens, or any other internal part of the camera.
Slide the bottom panel in the direction of the arrow on the panel.
Pull/lift open the battery cover in the direction directly away from the camera.
Push the small gray plastic tab away from the battery in order to release the battery.
Pull the battery out of the camera.